ATP-binding cassette transporter G1 (ABCG1) promotes cholesterol accumulation and alters T cell homeostasis, which may contribute to progression of atherosclerosis. Here, we investigated how the selective loss of ABCG1 in T cells impacts atherosclerosis in LDL receptor–deficient (LDLR-deficient) mice, a model of the disease. In LDLR-deficient mice fed a high-cholesterol diet, T cell–specific ABCG1 deficiency protected against atherosclerotic lesions. Furthermore, T cell–specific ABCG1 deficiency led to a 30% increase in Treg percentages in aorta and aorta-draining lymph nodes (LNs) of these mice compared with animals with only LDLR deficiency. When
Hsin-Yuan Cheng, Dalia E. Gaddis, Runpei Wu, Chantel McSkimming, LaTeira D. Haynes, Angela M. Taylor, Coleen A. McNamara, Mary Sorci-Thomas, Catherine C. Hedrick
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